| District of New York area codes: 631 | |
|---|---|
| Country | United States |
| State/Province | New York |
| Major City | Deer Park |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 631-269 | Suffolk | Kings Park, NY | Verizon New York |
| 631-270 | Nassau | Farmingdale, NY | Xo New York |
| 631-271 | Suffolk | Huntington, NY | Verizon New York |
| 631-272 | Suffolk | Central Islip, NY | Verizon New York |
| 631-273 | Suffolk | Brentwood, NY | Verizon New York |
| 631-274 | Suffolk | Deer Park, NY | Verizon New York |
| 631-275 | Suffolk | Brentwood, NY | Sprint Spectrum L.p. |
| 631-276 | Suffolk | Hampton Bays, NY | Sprint Spectrum L.p. |
| 631-277 | Suffolk | Islip, NY | Verizon New York |
| 631-278 | Suffolk | Brentwood, NY | Sprint Spectrum L.p. |
| 631-279 | Suffolk | Brentwood, NY | Usa Mobility Wireless |
| 631-280 | Suffolk | Brentwood, NY | Usa Mobility Wireless |
| 631-281 | Suffolk | Mastic, NY | Verizon New York |
| 631-282 | Suffolk | Yaphank, NY | Verizon New York |
| 631-283 | Suffolk | Southampton, NY | Verizon New York |
| 631-284 | Suffolk | Riverhead, NY | Verizon New York |
| 631-285 | Suffolk | Ronkonkoma, NY | Verizon New York |
| 631-286 | Suffolk | Bellport, NY | Verizon New York |
| 631-287 | Suffolk | Southampton, NY | Verizon New York |
| 631-288 | Suffolk | Westhampton Beach, NY | Verizon New York |
There are 714 prefixes, In the code area, the major cities are Bay Shore, NY;Brentwood, NY;Centereach, NY;Central. The major city is Deer Park.